NBC will launch most of its fall lineup during the traditional premiere week (Sept. 23-29), saving some new shows, including Ironside, Dracula and Sean Hayes' new comedy, for October starts. (All times are ET/PT.)

The Blacklist (Sept. 23, 10 p.m.), a new drama starring James Spader as a criminal who helps the FBI catch other criminals, will premiere in the Monday time slot after the two-hour, fifth-season premiere of The Voice (8 p.m.), which will see the return of coaches Christina Aguilera and CeeLo Green.

Chicago Fire will open its second season on Sept. 24 (10 p.m.), following the Tuesday edition of The Voice.

Revolution will move to Wednesdays for its second season (Sept. 25, 8 p.m.), followed by the 15th-season premiere of Law & Order: SVU (9 p.m.).

Parks and Recreation will open the TV season's first Thursday (Sept. 26, 8 p.m.) with an hour-long episode that has the show traveling to London. That will lead into the back-to-back-episode premiere of The Michael J. Fox Show (9 p.m.), which stars Fox as a New York news reporter returning to work after getting his Parkinson's under control. Parenthood returns for its fifth season at 10 p.m.

Dateline NBC will start its new season Fri., Sept. 27, with a two-hour episode (9 p.m.).

On the next Wednesday (Oct. 2), Ironside, which stars Blair Underwood in a remake of the Raymond Burr drama, opens at 10 p.m.

The Thursday comedy lineup fleshes out on Oct. 3, with the arrivals of two first-year shows: Welcome to the Family (8:30 p.m.), which looks at how two families react to the surprise pregnancy and marriage of their teenage kids, and Sean Saves the World (9 p.m.), which stars Will & Grace's Hayes as a single father with a teen daughter and opinionated mother.

The Biggest Loser will open its new season with an hour-long episode on Tues., Oct. 8 (8 p.m.).